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The new way to buy Ultrasonic Calbration Blocks
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High Quality

We offer a complete line of ultrasonic calibration test blocks
to calibrate test equipment, set sensitivity levels and evaluate flaws.

Quality Calibration Blocks

The calibration blocks are offered in a number of internationally recognized standards including, ASTM, MIL-STD, AWS, BS, DIN, ASME, IIW and IOW.

Each block is dimensionally inspected before delivery and supplied with a certificate of conformance traceable to National Standards.

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Ultrasonically
Clean
Material

Includes
NIST
Certificate

Includes
Material
Certificate

Nickel
Plated

Uniquely
Numbered

Small Case
Large Case
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ATTRACTIVE CASES
are available for each of the test blocks

Service by NDT Direct Inc